Durability parameters of reinforced recycled aggregate concrete: Case study

S. P. Arredondo-Rea, R. Corral-Higuera, J. M. Gómez-Soberón, Diana Carolina Gámez García, J. M. Bernal-Camacho, C. A. Rosas-Casarez, M. J. Ungsson-Nieblas

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)

Abstract

Recycled concrete aggregate (RA) from pavement demolition was used to make concrete. Ten concrete mixtures with different replacement percentages of RA (coarse and fine) were made. The corrosion rate of steel and the electrical resistivity of concrete were determined on reinforced concrete specimens subjected to wetting-drying cycles (3.5% solution of NaCl). Corrosion rate was determined using the electrochemical technique of linear polarization resistance, while the electrical resistivity was measured by electrochemical impedance spectroscopy. The results show that the use of RA introduces more interfaces in concrete, which accelerates the steel corrosion process because the porosity increases and the electrical resistivity decreases. However, steel corrosion and the electrical resistivity in concrete are not significantly influenced by replacing a maximum 30% of coarse aggregate or 20% of fine aggregate with RA.

Original languageEnglish
Article number617
JournalApplied Sciences (Switzerland)
Volume9
Issue number4
DOIs
Publication statusPublished - 13 Feb 2019
Externally publishedYes

Bibliographical note

Funding Information:
Funding: This research was funded by DGIP-UAS (PROFAPI 2012/046) and by CONACYT. The APC was funded by program for publication expenses of SEP-PRODEP 2019.

Publisher Copyright:
© 2019 by the authors.

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Instrumentation
  • Engineering(all)
  • Process Chemistry and Technology
  • Computer Science Applications
  • Fluid Flow and Transfer Processes

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